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Doctor insights on: Is Tar Or Nicotine The Cause Of Lung Cancer

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What exactly is it that causes lung cancer. Is it the nicotine, the tobacco, or the smoke?

What exactly is it that causes lung cancer. Is it the nicotine, the tobacco, or the smoke?

The smoke: It is the smoke that causes the lung cancer. The smoke causes an intense inflammatory reaction in the lungs, and when this continues for years and years, it can cause lung cancer.

Now, the nicotine itself doesn't usually cause the cancer, but it is more addictive than heroin. Thus, you get hooked on the cigarettes, which have the smoke, which causes the cancer. A very, very sinister product. ...Read more

Dr. Barry Rosen
4,344 Doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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I'm 16 can I get lung cancer from smoking electronic cigarettes with nicotine ive been smoking them for about a year and I do every day, smoke alot during the day so is it possible for me to get lung cancer from smoking them?

I'm 16 can I get lung cancer from smoking electronic cigarettes with nicotine ive been smoking them for about a year and I do every day, smoke alot during the day so is it possible for me to get lung cancer from smoking them?

Unknown: Longterm effects of e-cigarettes are not known since they are relatively new. They may be safer than traditional cigarettes from a cancer standpoint but effects of nicotine on your health can be dangerous as well. ...Read more

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Can you get lung cancer from smoking tobacco / nicotine free herbal cigarettes?

Can you get lung cancer from smoking tobacco / nicotine free herbal cigarettes?

Yes: Smoke is an irritant to the lining of the lungs, causing the body to react and "defend" against the irritation and try to remove the smoke particles. Some smoke compounds are known to cause cells to become cancerous. ...Read more

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What is the usual cause of lung cancer?

What is the usual cause of lung cancer?

Smoking: Although three are some common causes of lung cancer by far the most common culprit is cigarette smoking. ...Read more

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Can any doc tell me what's the 2nd most common cause of lung cancer?

Can any doc tell me what's the 2nd most common cause of lung cancer?

Almost in order: 1st cigaretts then:
pipe and cigars,
asbestos,
radon
family genes.
History of lung ca
pollution.
People forget radon alot for non smokers.
Hope it helps. Look at the american cancer society web site. ...Read more

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As a doctor do you feel that tobacco is the main cause of lung cancer, or is it the chemicals big companies pt, or is there not enough research?

As a doctor do you feel that tobacco is the main cause of lung cancer, or is it the chemicals big companies pt, or is there not enough research?

YES,: But not because of the nicotine that gets you hooked, but from all the other components such as the tar and the heat of the smoke is also a factor. Do non- smokers get lung cancer, yes they do but not in the high numbers we see from first hand and second hand smoke from tobacco. The only chemical that has been a cause for concern is the addition of extra nitcotine in the tobacco, but can't prove ...Read more

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Could car fumes cause lung cancer?

Could car fumes cause lung cancer?

Not likely: The vast majority of lung cancer is caused by smoking - i.e. First hand cigarette smoke. Lung cancer is rare in people who have never smoked. If car exhaust were an important contributor we'd see far more cancer in people who had never smoked. ...Read more

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Can cigars cause lung cancer?

Can cigars cause lung cancer?

Yes: They're not so deadly as cigarettes because people smoke fewer and the smoke is so disgusting that it's not much inhaled. However, I've autopsied two non-smoking wives of heavy cigar smokers who died of smoker-type lung cancer -- my only non-smoker lung cancer autosies. I'd had to be a husband who had to live with that one. ...Read more

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How can smoking cause lung cancer?

How can smoking cause lung cancer?

Many ways: Smoking accounts for the vast majority (but not all) cases of lung cancer. Cigarette smoke contains many substances (carcinogens) that predispose to cancer. They do this in different ways, like interfering with normal lung cell functions, making them divide more rapidly or die more slowly, or by suppressing the normal immune response to tumors. Don't smoke. ...Read more

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How can smoking cause lung cancer?

How can smoking cause lung cancer?

Toxins: Irritation, tar and other hundreds of impurities in the cigarettes. ...Read more

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How can air pollution cause lung cancer?

How can air pollution cause lung cancer?

The same way cigs do: Any high level inhalation of hydrocarbon combustion prodicts (tobacco, diesel, wood stove) can lead to cancer, but obviously with cigarettes you are looking at enormous amounts of combutsion product over many years. Urban dwellers get lung cancer at a higher rate than rural folks, but the effect pales compared to the effect of smoking. ...Read more

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Will tamoxifen medicine cause lung cancer?

No: Tamoxifen has uses in some breast cancers. No medication cures lung cancer. Cancer is serious business and if you have questions about whether you or a loved one may have it or what's the best treatment, please get with a specialist. I'm glad you care and appreciate your asking. ...Read more

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How exactly does smoking cause lung cancer?

How exactly does smoking cause lung cancer?

Tobacco's carcinogen: Tobacco contains a number of chemicals which are the cause of cancer. So tobacco taken in any form (Chewing, snorting or smoking introduces these chemicals in the body, and given sufficient concentration of these chemicals, the end result of such exposure is cell damage leading to development of Cancers of many types (all tissues coming in contact with tobacco can develop Cancer (Aerodigestive tract ...Read more

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What can cause lung cancer besides smoking?

Lung cancer causes: Argon gas
Scars from previous lung injury
Asbestos exposure
Genetic susceptibility

Proliferation of neural crest origin cells- small cell/carcinoid. ...Read more

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Please explain why tobacco causes lung cancer?

Please explain why tobacco causes lung cancer?

It's complicated.: Smoking accounts for the vast majority (but not all) cases of lung cancer. Cigarette smoke contains many substances (carcinogens) that predispose to cancer. They do this in different ways, like interfering with normal lung cell functions, making them divide more rapidly or die more slowly, or by suppressing the normal immune response to tumors. Don't smoke. ...Read more

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Can lung cancer cause sudden mental impairment?

MS changes in lungCA: Lung ca can spread to the brain and cause changes in a persons mental status...Making them confused, headache, dizzy, nauseated, or even think they have had a stroke. It can also cause changes in blood calcium and if the calcium goes up the person can get very confused and lethargic. This can happen even when the lung cancer is still very early. ...Read more

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I am wondering what causes lung cancer besides smoking?

Multiple: Radon gas, industrial air pollution, asbestos, genetics, etc. Given enough time, studies will likely show that anything can cause cancer, given a larger enough concentration, exposure, and time. ...Read more

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Can you tell me how is it that smoking causes lung cancer?

Can you tell me how is it that smoking causes lung cancer?

Many things: Chemicals in the cigarette my cause cellular change in the lung as well as nicotine which can cause cancer in the mouth
as well
Cigarette smoke its tobacco tar and smoke all inflame the lungs and may lead to cancer ...Read more

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What are the lead causes of lung cancer (aside from smoking)?

What are the lead causes of lung cancer (aside from smoking)?

Environmental: Plenty of stuff in the air which can lead to lung cancer, depending on the level and length of exposure. Also, radiation, radon gas, and asbestos are implicated. ...Read more

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I was wondering what are the lead causes of lung cancer besides smoking?

I was wondering what are the lead causes of lung cancer besides smoking?

Inhaling smoke: Tricyclic aromatic hydrocarbons produced by combustion of tar or any other organic chemical is known to be carcinogenic. Halogenated aromatic hydrocarbons, benzpyrenes, to include some. Other chemicals may not be carcinogenic by themselves but act as co carcinogens when combined with cigarette smoke, like asbestos particles. High levels of radon gas increases risk of lung cancer. Radiation overd. ...Read more

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Help please? I want to know what are the lead causes of lung cancer besides smoking?

Radon exposure: Second hand smoke increases risk of lung cancer, as does exposure to radon, which is why radon testing in the home has become so prevalent. Asbestos is known to cause a rare cancer called mesothelioma. The risk of getting the typical type of lung cancer among people exposed to asbestos is much higher if they are also smokers. ...Read more

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My chest occasionally hurts. I was just coughing cause water went down the wrong way. And it was hurting real bad. Is this a sign of lung cancer?

Chest pain: This is not a sign of lung cancer.
Violent cough can cause chest wall bruising and pain. The pain usually fades away with time (days to few weeks) ...Read more

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Can smoking weed cause someone to have lung cancer?

Can smoking weed cause someone to have lung cancer?

Smoking: It is possible. Smoking like that is unfiltered which delivers irritants to the lung that can be a trigger for development of cancers. ...Read more

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How would somebody die from lung cancer caused by secondhand smoking?

Same: Once the cancer is established they die just like those with no smoking history, with primary smoking history, or second hand.

Second hand smoke is still very irritating to many if not all persons lung tissue and the lung cells transform and become malignant and grow and spread causing death from suffocation, brain or other metastasis! ...Read more

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How does the k-ras gene cause lung cancer?

One step: When k-ras takes a mutation that makes it stuck on the "on" position, it confers an unfair growth advantage on the cell and its progeny. Kras mutated lung cancers tend to occur in smokers and make mucin. There's no medicine right now that works especially well for this subcategory of cancers and its presence suggests other good target mutations are probably not present. Good luck, stay proactive. ...Read more

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What causes lung cancer?

What causes lung cancer?

Several causes...: But the most common correlation with lung cancer is smoking. Smoking alone will increase your risk of lung cancer by about 20 times by smoking one pack per day for twenty years. Other sources can be genetic (alpha-1 antitrypsin disorder), related to environmental exposures that are inhaled, or other less common reasons. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


Dr. David Cooke
862 Doctors shared insights

Lung Cancer (Definition)

Cancer that forms in tissues of the lung, usually in the cells lining air passages. The two main types are small cell lung cancer and ...Read more